/*
 * Copyright 2009 Tran Nhut Trung.
 * 
 * Licensed under the Apache License, Version 2.0 (the "License"); 
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 * http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, 
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and 
 * limitations under the License.
 */
package com.gdevelop.gwtxp.gen;

import java.io.OutputStream;
import java.io.PrintWriter;

public class CodePrintWriter extends PrintWriter{
  private int indent = 0;
  private boolean newLine = true;

  public CodePrintWriter(OutputStream out) {
    super(out);
  }

  public void indent(){
    indent += 2;
  }
  public void outdent(){
    indent -= 2;
    if (indent < 0){
      indent = 0;
    }
  }
  
  public void print(String s) {
    printIndent();
    super.print(s);
    newLine = false;
  }
  public void println(){
    super.println();
    newLine = true;
  }
  
  private void printIndent(){
    if (newLine){
      for (int i=0; i<indent; i++){
        super.print(' ');
      }
    }
  }
}
